类的继承：员工和老板

package 面向对象;
//创建父类
public class Employee {

    //定义成员变量
    private String name;
    private int age;
    private double salary;
    //获取和写入
    
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public double getSalary() {
        return salary;
    }

    public void setSalary(double salary) {
        this.salary = salary;
    }

    //构造方法
    public Employee()
    {
        
    }
    //方法
    public boolean buzhu()
    {
        boolean b = false;
        if(age>=50)
        {
            System.out.println("符合补助的年龄条件");
            b = true;
        }
        else
        {
            System.out.println("不符合补助的年龄条件");
        }
        return b;
    }
    
}

 

 

package 面向对象;
//创建子类
public class Manager extends Employee {

    //定义成员变量
    private double bonus;
    //获取、写入
    public double getBonus()
    {
        return bonus;
    }
    public void setBonus(double bonus)
    {
        this.bonus = bonus;
    }
    //方法
    public void nianxin(double salary)//参数是调用父类的成员变量
    {
        double nianxin = bonus + salary;
        System.out.println("老板的工资是："+salary+"\n老板的月薪是："+nianxin);
    }
}

测试

package 面向对象;

public class Test {

    public static void main(String[] args) {
        //实例化fu类，创建对象
        Employee employee = new Employee();
        
        employee.setName("哆来咪");
        System.out.println("输出员工1的名字："+employee.getName());
        employee.setAge(49);
        System.out.println("输出员工1的年龄："+employee.getAge());
        employee.buzhu();
        
        employee.setName("哆来咪发扫拉西");
        System.out.println("输出员工2的名字："+employee.getName());
        employee.setAge(59);
        System.out.println("输出员工2的年龄："+employee.getAge());
        employee.buzhu();
        System.out.println();
        //实例化子类
        Manager manager = new Manager();
        manager.setName("老板");
        manager.setAge(45);
        manager.setSalary(5000);
        manager.setBonus(3000);
        System.out.println("输出老板的名字："+manager.getName());
        System.out.println("输出老板的年龄："+manager.getAge());
        System.out.println("输出老板的工资："+manager.getSalary());
        System.out.println("输出老板的的奖金："+manager.getBonus());
        manager.nianxin(manager.getSalary());

    }

}